//+------------------------------------------------------------------+ //| Heiken_Ashi.mq5 | //| Copyright 2009, MetaQuotes Software Corp. | //| http://www.mql5.com | //+------------------------------------------------------------------+ #property copyright "2009, MetaQuotes Software Corp." #property link "http://www.mql5.com" //--- indicator settings #property indicator_chart_window #property indicator_buffers 5 #property indicator_plots 1 #property indicator_type1 DRAW_COLOR_CANDLES #property indicator_color1 DodgerBlue, Red #property indicator_label1 "Heiken Ashi Open;Heiken Ashi High;Heiken Ashi Low;Heiken Ashi Close" //--- indicator buffers double ExtOBuffer[]; double ExtHBuffer[]; double ExtLBuffer[]; double ExtCBuffer[]; double ExtColorBuffer[]; //+------------------------------------------------------------------+ //| Custom indicator initialization function | //+------------------------------------------------------------------+ void OnInit() { //--- indicator buffers mapping SetIndexBuffer(0,ExtOBuffer,INDICATOR_DATA); SetIndexBuffer(1,ExtHBuffer,INDICATOR_DATA); SetIndexBuffer(2,ExtLBuffer,INDICATOR_DATA); SetIndexBuffer(3,ExtCBuffer,INDICATOR_DATA); SetIndexBuffer(4,ExtColorBuffer,INDICATOR_COLOR_INDEX); //--- IndicatorSetInteger(INDICATOR_DIGITS,_Digits); //--- sets first bar from what index will be drawn IndicatorSetString(INDICATOR_SHORTNAME,"Heiken Ashi"); //--- sets drawing line empty value PlotIndexSetDouble(0,PLOT_EMPTY_VALUE,0.0); //--- initialization done } //+------------------------------------------------------------------+ //| Heiken Ashi | //+------------------------------------------------------------------+ int OnCalculate(const int rates_total,const int prev_calculated, const datetime &Time[], const double &Open[], const double &High[], const double &Low[], const double &Close[], const long &TickVolume[], const long &Volume[], const int &Spread[]) { int i,limit; //--- preliminary calculations if(prev_calculated==0) { //--- set first candle ExtLBuffer[0]=Low[0]; ExtHBuffer[0]=High[0]; ExtOBuffer[0]=Open[0]; ExtCBuffer[0]=Close[0]; limit=1; } else limit=prev_calculated-1; //--- the main loop of calculations for(i=limit;i